package org.javacore.thread;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;

/**
 * Created by BYSocket on 2015/11/2.
 *
 * Copyright [2015] [Jeff Lee]
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/**
 * @author Jeff Lee
 * @since 2015-11-3 09:04:16 休眠线程sleep的使用
 */
public class SleepingTask extends LiftOff {
	@Override
	public void run() {
		while (countDown-- > 0) {
			try {
				System.out.println(status());
				// 老版本调用：Thread.sleep(1000);
				TimeUnit.MICROSECONDS.sleep(100);
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
		}
	}

	public static void main(String[] args) {
		// 创建新的线程池
		ExecutorService exec = Executors.newCachedThreadPool();
		for (int i = 0; i < 5; i++)
			exec.execute(new SleepingTask());// 由线程池决定执行线程
		// 顺序关闭，执行以前提交的线程，不接受新的线程
		exec.shutdown();
	}
}
